package DONHUTHANH;

import java.util.Scanner;

public class vidu1 {
public static void main(String[] args) {
	float a,b,c;
	Scanner nhap = new Scanner(System.in);
	System.out.print("Nhap a");
	a = nhap.nextFloat();
	System.out.print("Nhap b");
	b = nhap.nextFloat();
	System.out.print("Nhap c");
	c =  nhap.nextFloat();
	double delta = (b*b - 4*a*c);
	
}
}
